Finding the Fourth Proportional to 376,508.09, 519,580.09 and 225,605.09
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Solution
The fourth proportional to 376,508.09, 519,580.09 and 225,605.09 is: 311,334.38
Step by Step Solution
- Step 1: Write the proportion equation
376,508.09 : 519,580.09 = 225,605.09 : x - Step 2: Convert to fraction form
376,508.09/519,580.09 = 225,605.09/x - Step 3: Cross multiply
376,508.09x = 519,580.09 × 225,605.09 - Step 4: Simplify right side
376,508.09x = 117,219,912,966.66 - Step 5: Solve for x
x = 117,219,912,966.66/376,508.09 - Step 6: Final answer
x = 311,334.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.